/*******************************************************************************
 * Copyright 2017 Bstek
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License.  You may obtain a copy
 * of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations under
 * the License.
 ******************************************************************************/
package com.bstek.urule.parse.table;

import com.bstek.urule.model.rule.Library;
import com.bstek.urule.model.rule.LibraryType;
import com.bstek.urule.model.table.ScriptDecisionTable;
import com.bstek.urule.parse.Parser;
import org.dom4j.Element;

/**
 * @author Jacky.gao
 * @since 2015年1月19日
 */
public class ScriptDecisionTableParser implements Parser<ScriptDecisionTable> {
    private RowParser rowParser;
    private ColumnParser columnParser;
    private ScriptCellParser scriptCellParser;

    public ScriptDecisionTable parse(Element element) {
        ScriptDecisionTable table = new ScriptDecisionTable();
        for (Object obj : element.elements()) {
            if (obj == null || !(obj instanceof Element)) {
                continue;
            }
            Element ele = (Element) obj;
            String name = ele.getName();
            if (rowParser.support(name)) {
                table.addRow(rowParser.parse(ele));
            } else if (columnParser.support(name)) {
                table.addColumn(columnParser.parse(ele));
            } else if (scriptCellParser.support(name)) {
                table.addCell(scriptCellParser.parse(ele));
            }
            if (name.equals("import-variable-library")) {
                table.addLibrary(new Library(ele.attributeValue("path"), null, LibraryType.Variable));
            } else if (name.equals("import-constant-library")) {
                table.addLibrary(new Library(ele.attributeValue("path"), null, LibraryType.Constant));
            } else if (name.equals("import-action-library")) {
                table.addLibrary(new Library(ele.attributeValue("path"), null, LibraryType.Action));
            } else if (name.equals("import-parameter-library")) {
                table.addLibrary(new Library(ele.attributeValue("path"), null, LibraryType.Parameter));
            }
        }
        return table;
    }

    public boolean support(String name) {
        return name.equals("script-decision-table");
    }

    public void setColumnParser(ColumnParser columnParser) {
        this.columnParser = columnParser;
    }

    public void setRowParser(RowParser rowParser) {
        this.rowParser = rowParser;
    }

    public void setScriptCellParser(ScriptCellParser scriptCellParser) {
        this.scriptCellParser = scriptCellParser;
    }
}
